Patents by Inventor Magnus Astrom

Magnus Astrom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240137792
    Abstract: A technique for performing neighbor cell measurements for one or more cells of a cellular radio access network, RAN, is provided. As to a method aspect, a method (200) comprises or triggers a step of detecting (202) at least two neighbor cells of the RAN, wherein at least one of the detected neighbor cells is in a neighbor cell list, NCL, of the RAN, and wherein at least one of the detected neighbor cells Is not in the NCL of the RAN. The method (200) further comprises a step of measuring (204), for each of one or more of the detected cells of the RAN, a measurement signal (300) from the respective cell. The method (200) still further comprises a step of estimating (206), for each of the one or more of the detected cells of the RAN, a radio signal value based on the measured measurement signal (300) from the respective cell.
    Type: Application
    Filed: November 6, 2020
    Publication date: April 25, 2024
    Inventor: Magnus Åström
  • Publication number: 20240114530
    Abstract: There is provided a method for resource coordination in a first donor Integrated Access Backhaul (IAB) node connected to a first parent IAB node which is connected to an IAB node, the IAB node further being connected to a second parent IAB node which is connected to a second donor IAB node. The method comprises: sending, to the second donor IAB node, an indication of a first resource configuration for the IAB node, the first resource configuration determined by the first donor IAB node; receiving, from the second donor IAB node, a request for a second resource configuration for the IAB node; and determining a resource configuration for the IAB node based at least on one of the first resource configuration and the second resource configuration.
    Type: Application
    Filed: January 25, 2022
    Publication date: April 4, 2024
    Inventors: LEI BAO, FILIP BARAC, MAGNUS ÅSTRÖM, BORIS DORTSCHY, YEZI HUANG
  • Publication number: 20240109160
    Abstract: The blade holder has a movable plate and a fixture. A rotatable bolt in operative engagement with a block attached to the plate. A motor is in operative engagement with the bolt. The motor rotates the bolt to move the plate towards the fixture to grip a first set of blades until a torque threshold value is reached. The processor determines a number of blades included in the set of blades based on the number of rotations of the bolt. A first grinding portion of a rotating abrasive belt is applied against the set of blades (having width (W1)) to sharpen the set of blades. Sliding a vise sideways a distance (W1) until a second grinding portion is aligned on top of the second set of blades.
    Type: Application
    Filed: December 6, 2023
    Publication date: April 4, 2024
    Inventors: Magnus Eriksson, Anton Astrom
  • Publication number: 20240114496
    Abstract: There is disclosed a method of operating an Integrated Access and Backhaul, IAB, parent node for a wireless communication network. The method includes transmitting, to an Integrated Access and Backhaul, IAB, child node, an indication of the availability of soft frequency resources. The disclosure also pertains to related methods and devices, e.g. pertaining to an Integrated Access and Backhaul child node, or a program product.
    Type: Application
    Filed: January 18, 2021
    Publication date: April 4, 2024
    Inventors: Yezi HUANG, Boris DORTSCHY, Magnus ÅSTRÖM, Lei BAO, Behrooz MAKKI
  • Publication number: 20240089940
    Abstract: Systems and methods for configuration of Integrated Access and Backhaul (IAB) frequency-domain resource utilization are disclosed. In one embodiment, a method performed by a network node that implements a centralized network function unit for frequency-domain resource utilization configuration of an IAB node comprises determining a configurable frequency part size(s) for a frequency-domain resource utilization configuration of an IAB node and determining a mode of frequency-domain resource utilization for each of at least some of a plurality of frequency parts of an available bandwidth of the IAB node, the available bandwidth being divided into the plurality of frequency parts in accordance with the configurable frequency part size(s). The method further comprises sending the frequency-domain resource utilization configuration to the IAB node.
    Type: Application
    Filed: January 12, 2022
    Publication date: March 14, 2024
    Inventors: Yezi Huang, Boris Dortschy, Magnus Åström, Lei Bao, Behrooz Makki
  • Publication number: 20240080782
    Abstract: A method, system and network node are disclosed. According to one or more embodiments, a parent network node configured to communicate with a network node is provided. The parent network node is configured to, and/or includes a radio interface and/or includes processing circuitry configured to: enable a first timing configuration, wherein the first timing configuration enables downlink transmission timing for the network node to be aligned with the downlink transmission timing of the parent network node; and based on the first timing configuration, switch to a second timing configuration, wherein the second timing configuration enables uplink transmission timing of the network node to be aligned with the downlink transmission timing of the network node.
    Type: Application
    Filed: January 17, 2022
    Publication date: March 7, 2024
    Inventors: Boris DORTSCHY, Zhipeng LIN, Behrooz MAKKI, Lei BAO, Magnus ÅSTRÖM, Thomas CHAPMAN, Jose Luis PRADAS, Chunhui ZHANG, Muhammad Ali KAZMI
  • Publication number: 20240064671
    Abstract: Systems and methods for reducing signaling overhead between an Integrated Access and Backhaul (IAB) node and its parent node when switching between timing alignment cases are disclosed. In some embodiments, the method comprises sending one or more sets of desired numbers of guard symbols for two or more timing switching groups, respectively. The method further comprises receiving one or more sets of provided numbers of guard symbols for the two or more timing switching groups, respectively and determining available time resources for uplink transmission and/or downlink reception in two adjacent time units based on one of the one or more sets of provided numbers of guard symbols for one of the two or more timing switching groups that corresponds to timing alignment cases used in the two adjacent time units.
    Type: Application
    Filed: January 7, 2022
    Publication date: February 22, 2024
    Inventors: Yezi Huang, Boris Dortschy, Lei Bao, Erik Dahlman, Magnus Åström, Behrooz Makki
  • Publication number: 20240030943
    Abstract: Systems and methods are disclosed herein that relate to a wireless device that intelligently uses different reference crystal oscillators (XOs) for a Phase Locked Loop(s) (PLL(s)) in a transceiver of the wireless device. Embodiments of a method of operation of a wireless device comprising a first XO that operates at a first reference frequency and a second XO that operates at a second reference frequency that is greater than the first reference frequency are disclosed. In some embodiments, the method of operation of the wireless devices comprises deciding whether to configure a receiver of the wireless device to use the first XO or the second XO and configuring the receiver of the wireless device to use the first XO or the second XO in accordance with the decision.
    Type: Application
    Filed: October 5, 2023
    Publication date: January 25, 2024
    Inventors: Bengt Lindoff, Magnus Åström, Lars Sundström
  • Publication number: 20240022984
    Abstract: A method by a wireless device includes receiving, from a network node, data associated with the airborne or spaceborne system. The data includes satellite ephemeris data and a validity duration for the ephemeris data.
    Type: Application
    Filed: October 20, 2021
    Publication date: January 18, 2024
    Inventors: Magnus Åström, Talha Khan, Xingqin Lin, Helka-Liina Määttänen
  • Publication number: 20240008017
    Abstract: A network function unit (e.g., an Integrated Access and Backhaul-donor node Central Unit, IAB-donor-CU 300, an Operations Administration and Maintenance node, OAM node, or a parent node 200) configures space-domain resources in an IAB-node 100 (e.g., an IAB-Distribution Unit DU 110) with different resource sets. Each resource set may restrict certain behavior (e.g., the operation of the access unit) of the IAB-node in terms of transmission and/or reception in a certain spatial radio resource, e.g., the one or more direction units (e.g., a radio beam).
    Type: Application
    Filed: October 22, 2021
    Publication date: January 4, 2024
    Inventors: Yezi Huang, Boris Dortschy, Lei Bao, Magnus Åström, Behrooz Makki
  • Publication number: 20240007155
    Abstract: A beamforming selection method of a first wireless communication node is disclosed. The method includes receiving first reference signaling, transmitted from a second wireless communication node using a first beamforming setting, generating a first channel estimate based on the first reference signaling, and transmitting, using a second beamforming setting, second reference signaling for reception by the second wireless communication node, wherein each coefficient of the second beamforming setting represents a complex conjugate of a corresponding component of the first channel estimate. In some embodiments, the method further includes iterating the receiving, generating, and transmitting steps until a stopping criterion is met. For example, the stopping criterion may include that a number of iterations performed equals a maximum number of iterations, and/or that a beamforming convergence criterion is met. Corresponding apparatus, wireless communication node and computer program product are also disclosed.
    Type: Application
    Filed: September 16, 2020
    Publication date: January 4, 2024
    Inventors: Magnus ÅSTRÖM, Joao VIEIRA
  • Publication number: 20230412250
    Abstract: A method, system and apparatus are disclosed. According to one or more embodiments, an integrated access and backhaul, IAB, node including an IAB-mobile termination, MT, and an IAB-distributed unit, DU is provided. The IAB node includes processing circuitry configured to determine at least one multiplexing condition associated with a multiplexing capability where the multiplexing capability is associated at least with a capability of performing simultaneous communications by the IAB-MT and IAB-DU, and transmit, to a another IAB node, information associated with the determined at least one dynamic multiplexing condition.
    Type: Application
    Filed: October 19, 2021
    Publication date: December 21, 2023
    Inventors: Yezi HUANG, Lei BAO, Magnus ÅSTRÖM, Boris DORTSCHY, Behrooz MAKKI
  • Publication number: 20230396330
    Abstract: The invention refers to a method performed by a wireless device (10), for connecting to a second satellite (20b) in a non-terrestrial network, NTN, wherein the wireless device employs a first beamforming matrix for directing a radio beam from an antenna array of the wireless device to the a first satellite (20a), the method comprising determining an angular difference between the directions towards the first and the second satellite, determining a second beamforming matrix, for communication with the second satellite, based on a direction of the beam towards the first satellite and the determined difference in angles, and using the second beamforming matrix to configure a receiver and/or transmitter for connecting to the second satellite; the invention further refers to corresponding method performed by a network node comprising transmitting to the wireless device ephemeris data of the first and the second satellite order to allow the wireless device determining an angular difference between the directions to
    Type: Application
    Filed: October 8, 2021
    Publication date: December 7, 2023
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Magnus ÅSTRÖM, Johan RUNE, Olof LIBERG, Helka-Liina MÄÄTTÄNEN, Xingqin LIN
  • Publication number: 20230388995
    Abstract: Systems and methods are disclosed for Integrated Access and Backhaul (IAB) hierarchical Distributed Unit (DU) resource configuration. In one embodiment, a method performed by an IAB node comprises determining a first multiplexing capability of the IAB node at a first time, sending information that is indicative of the first multiplexing capability of the IAB node to an IAB donor node, and receiving a first resource configuration profile from the IAB donor node. The method further comprises determining a second actual multiplexing capability of the IAB node at a second time that is subsequent to the first time and determining a valid resource configuration for the IAB node based on the second actual multiplexing capability of the IAB node. The method further comprises scheduling transmission on one or more child backhaul links and/or one or more access links of the IAB node based on the valid resource configuration.
    Type: Application
    Filed: October 22, 2021
    Publication date: November 30, 2023
    Inventors: Yezi Huang, Lei Bao, Magnus Åström, Boris Dortschy, Behrooz Makki
  • Publication number: 20230371106
    Abstract: There is provided a reflection node for handling link failure towards a network node. The reflection node includes a controller for controlling a passive meta-surface having a controllable reflection angle for reflecting radio waves over a communication channel between a network node and a wireless device. The reflection node includes a transceiver unit for receiving instructions from the network node over a control channel. The transceiver unit is configured to determine a link failure event on the control channel between the reflection node and the network node. The controller is configured to, during the link failure event, control the reflection angle of the passive meta-surface using reflection settings specified by configuration data for reflecting the radio waves over the communication channel.
    Type: Application
    Filed: October 9, 2020
    Publication date: November 16, 2023
    Inventors: Magnus ÅSTRÖM, Bengt LINDOFF
  • Patent number: 11815587
    Abstract: A method for targeting an object of point-to-point transmission. The method comprises obtaining an image comprising image data and selecting an area of the image wherein the area comprises image data representing the object to be targeted. The method further comprises steering a transmission beam of an antenna array in a direction corresponding to the selected area in response to the selection and transmitting a signal using the steered transmission beam of the antenna array. Corresponding apparatus and computer program product are also disclosed.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: November 14, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (publ)
    Inventors: Magnus Astrom, Bengt Lindoff
  • Publication number: 20230361857
    Abstract: A method and network node having integrated access and backhaul (IAB) functionality are disclosed. According to one aspect, a network node determines information concerning at least one of: (i) an impairment of a first signal from a first integrated access backhaul node that is caused by a second signal from a second IAB node and (ii) an impairment of the second signal that is caused by the first signal. The network node further selects a multiplexing capability for the network node based at least in part on the determined information concerning at least one of the impairments and further multiplexes signals for the first and second IAB nodes using the selected multiplexing capability.
    Type: Application
    Filed: September 13, 2021
    Publication date: November 9, 2023
    Inventors: Behrooz MAKKI, Magnus ÅSTRÖM, Yezi HUANG, Lei BAO, Boris DORTSCHY
  • Publication number: 20230362813
    Abstract: A method, system and apparatus are disclosed for power control between integrated access and backhaul (IAB) nodes. In one embodiment, a first node is provided. The first node includes processing circuitry configured to transmit a power control request to a parent, integrated access and backhaul, IAB, node where the power control request is configured to request an adjustment of a transmission power of the parent IAB node, receive a power control response from the parent IAB node, and perform at least one action associated with a second node based at least in part on the power control response.
    Type: Application
    Filed: August 6, 2021
    Publication date: November 9, 2023
    Inventors: Magnus ÅSTRÖM, Boris DORTSCHY, Yezi HUANG, Lei BAO, Behrooz MAKKI
  • Publication number: 20230337005
    Abstract: Embodiments include methods for an integrated access backhaul (IAB) node configured to communicate with first and second parent nodes in a wireless network. Such methods include determining the IAB node's multiplexing capability between a first parent link with the first parent node and a second parent link with the second parent node, and sending an indication of the multiplexing capability to one or more ancestor nodes in the wireless network. Other embodiments include complementary methods for the first parent node and an IAB donor centralized unit (CU) configured to communicate with the IAB node via at least the first parent node. Other embodiments include IAB nodes and IAB donor CUs configured to perform such methods.
    Type: Application
    Filed: July 30, 2021
    Publication date: October 19, 2023
    Inventors: Yezi Huang, Lei Bao, Magnus Åström, Boris Dortschy, Behrooz Makki
  • Publication number: 20230318897
    Abstract: A method for adjusting peak-to-average power ratio in a network node when transmitting multiple signals at respective multiple frequency locations is disclosed. The method comprises determining (101) a first signal at a first frequency location being intended for transmission simultaneously as a second signal at a second frequency location, manipulating the first and/or second signals by performing (103) an operation on the first and/or second signals, wherein the operation comprises one or more of: a time shift in a time domain or a frequency domain, and Determining a phase shift in the time domain or the frequency domain, and transmitting (104) the first and signals second signals, as manipulated or non-manipulated, at the first and second frequency locations, respectively. Corresponding computer program product, network node, and wireless communication network are also disclosed.
    Type: Application
    Filed: June 10, 2020
    Publication date: October 5, 2023
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Magnus ÅSTRÖM, Niklas ANDGART